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// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/tests/POA/On_Demand_Loading
//
// = FILENAME
// Servant_Activator.cpp
//
// = DESCRIPTION
// Implementation of ServantActivator_i, which is used by a
// POA with a RETAIN policy.
//
// = AUTHOR
// Kirthika Parameswaran <kirthika@cs.wustl.edu>
//
// ============================================================================
#include "Servant_Activator.h"
#include "MyFooServant.h"
ACE_RCSID(On_Demand_Loading, Servant_Activator, "$Id$")
// Initialization.
ServantActivator_i::ServantActivator_i (CORBA::ORB_ptr orb)
: servant_manager_ (orb)
{
}
// This method associates an servant with the ObjectID.
PortableServer::Servant
ServantActivator_i::incarnate (const PortableServer::ObjectId &oid,
PortableServer::POA_ptr poa,
CORBA::Environment &env)
{
// Convert ObjectId to String.
CORBA::String_var s = PortableServer::ObjectId_to_string (oid);
// Activate and return the servant else exception.
PortableServer::Servant servant =
this->servant_manager_.obtain_servant (s.in (),
poa,
27);
if (servant != 0)
return servant;
else
TAO_THROW_ENV_RETURN (CORBA::OBJECT_NOT_EXIST (CORBA::COMPLETED_NO),
env,
0);
}
// This is the method invoked when the object is deactivated or the
// entire POA is is deactivated or destroyed.
void
ServantActivator_i::etherealize (const PortableServer::ObjectId &oid,
PortableServer::POA_ptr,
PortableServer::Servant servant,
CORBA::Boolean,
CORBA::Boolean remaining_activations,
CORBA::Environment &)
{
// If there are no remaining activations i.e ObjectIds associated
// with MyFooServant object, deactivate it. Etheralization happens
// on POA::destroy() and/or Object::deactivate().
if (remaining_activations == 0)
this->servant_manager_.destroy_servant (servant, oid);
}
// This method returns an ObjectId when given an dll name and the
// factory function to be invoked in the dll. The format of the
// ObjectId is <dllname:factory_function>.
PortableServer::ObjectId_var
ServantActivator_i::create_dll_object_id (const char *dllname,
const char *factory_function)
{
return this->servant_manager_.create_dll_object_id
(dllname,
factory_function);
}
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